会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Optical disk recording method and optical disk recording apparatus
    • 光盘记录方法和光盘记录装置
    • US07859961B2
    • 2010-12-28
    • US11775935
    • 2007-07-11
    • Tetsuji NakasekoHisao Osabe
    • Tetsuji NakasekoHisao Osabe
    • G11B7/00
    • G11B7/00736G11B7/0045G11B7/0053G11B7/24038G11B7/24082G11B20/1403
    • An optical disk recording method for recording predetermined data on an optical disk on the basis of a first reference clock signal used for recording, the optical disk including a groove track having a wobble signal recorded thereon and a land track having a land pre-pit carrying track position information, the first reference clock signal being generated on the basis of the wobble signal reproduced from the optical disk, includes the steps of reproducing a pre-pit signal from the optical disk; generating a second reference clock signal from the pre-pit signal; detecting an amount of phase shift of the first reference clock signal using the second reference clock signal; and correcting the first reference clock signal on the basis of an average value of the detected amount of phase shift.
    • 一种用于根据用于记录的第一基准时钟信号在光盘上记录预定数据的光盘记录方法,该光盘包括一个其上记录有摆动信号的凹槽轨道和一个具有一个陆地预制凹坑 轨道位置信息,基于从光盘再现的摆动信号产生的第一参考时钟信号包括从光盘再现预凹陷信号的步骤; 从所述预凹坑信号产生第二参考时钟信号; 使用所述第二参考时钟信号来检测所述第一参考时钟信号的相移量; 并根据检测到的相移量的平均值对第一参考时钟信号进行校正。
    • 2. 发明申请
    • OPTICAL DISK RECORDING METHOD AND OPTICAL DISK RECORDING APPARATUS
    • 光盘记录方法和光盘记录装置
    • US20080019259A1
    • 2008-01-24
    • US11775935
    • 2007-07-11
    • Tetsuji NakasekoHisao Osabe
    • Tetsuji NakasekoHisao Osabe
    • G11B7/24
    • G11B7/00736G11B7/0045G11B7/0053G11B7/24038G11B7/24082G11B20/1403
    • An optical disk recording method for recording predetermined data on an optical disk on the basis of a first reference clock signal used for recording, the optical disk including a groove track having a wobble signal recorded thereon and a land track having a land pre-pit carrying track position information, the first reference clock signal being generated on the basis of the wobble signal reproduced from the optical disk, includes the steps of reproducing a pre-pit signal from the optical disk; generating a second reference clock signal from the pre-pit signal; detecting an amount of phase shift of the first reference clock signal using the second reference clock signal; and correcting the first reference clock signal on the basis of an average value of the detected amount of phase shift.
    • 一种用于根据用于记录的第一基准时钟信号在光盘上记录预定数据的光盘记录方法,该光盘包括一个其上记录有摆动信号的凹槽轨道和一个具有一个陆地预制凹坑 轨道位置信息,基于从光盘再现的摆动信号产生的第一参考时钟信号包括从光盘再现预凹陷信号的步骤; 从所述预凹坑信号产生第二参考时钟信号; 使用所述第二参考时钟信号来检测所述第一参考时钟信号的相移量; 并根据检测到的相移量的平均值对第一参考时钟信号进行校正。
    • 3. 发明授权
    • Reproduced signal waveform processing apparatus
    • 再生信号波形处理装置
    • US07315591B2
    • 2008-01-01
    • US10766284
    • 2004-01-28
    • Takuya DaishinYoshitaka MiyakeHisao Osabe
    • Takuya DaishinYoshitaka MiyakeHisao Osabe
    • H04L27/06
    • G11B20/10046G11B20/10009G11B20/10425
    • A reproduced signal waveform processing apparatus is provided. The apparatus includes an A/D converter for sampling a reproduced signal at a reproducing clock having a predetermined oscillation frequency; a first equalizer for equalizing a digital reproduced signal from the A/D converter; a second equalizer connected in series with the first equalizer for further equalizing the digital reproduced signal from the first equalizer; a phase frequency controller for detecting a phase frequency error between the digital reproduced signal from the first equalizer and the reproducing clock signal, and outputting a control signal on the basis of a result of the detection; and a variable frequency oscillator for varying the oscillation frequency in accordance with the control signal.
    • 提供再生信号波形处理装置。 该装置包括:A / D转换器,用于在具有预定振荡频率的再现时钟采样再现信号; 用于均衡来自A / D转换器的数字再现信号的第一均衡器; 与第一均衡器串联连接的第二均衡器,用于进一步均衡来自第一均衡器的数字再现信号; 相位频率控制器,用于检测来自第一均衡器的数字再现信号与再现时钟信号之间的相位频率误差,并且基于检测结果输出控制信号; 以及用于根据控制信号改变振荡频率的可变频率振荡器。